﻿#region File Description
//-----------------------------------------------------------------------------
// Tower.cs
//
// Attack of the Crazy Pixels
// Copyright (c) 2009 VosSoft
//-----------------------------------------------------------------------------
#endregion
#region License
//-----------------------------------------------------------------------------
// The MIT License (MIT)
//
// Copyright (c) 2009 VosSoft
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#endregion

#region Using Statements
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;
using Microsoft.Xna.Framework.Net;
using Microsoft.Xna.Framework.Storage;
#endregion

namespace Attack_of_the_Crazy_Pixels
{
    /// <summary>
    /// The base class for all Towers.
    /// </summary>
    public abstract class Tower : Sprite, ITowerInfo
    {
        #region Fields

        public TowerInfo Info { get; private set; }

        protected Level level;
        protected float range;

        protected int upgradeLevel = 0;

        #endregion

        #region Properties

        public float Range
        {
            get { return range; }
            set { range = value; }
        }

        public int UpgradeLevel
        {
            get { return upgradeLevel; }
        }

        #endregion

        #region Initialization

        /// <summary>
        /// Initializes a new Tower.
        /// </summary>
        /// <param name="info">Reference to all Informations for this Tower.</param>
        /// <param name="position">Position of the Tower.</param>
        /// <param name="level">Backreference to the Level.</param>
        protected Tower(TowerInfo info, Vector2 position, Level level)
            : base(info.Texture, position, info.Color)
        {
            Info = info;
            range = info.Range[0];
            this.level = level;

            if (info.Size.X != Texture.Width || info.Size.Y != Texture.Height)
            {
                if (Texture == SpriteManager.BlankTexture)
                {
                    Scale = info.Size;
                }
                else
                {
                    Scale = new Vector2(info.Size.X / Texture.Width, info.Size.Y / Texture.Height);
                }
            }

            if (level != null)
            {
                level.Player.Money -= info.Costs[0];
            }
        }

        #endregion

        #region Public Methods

        /// <summary>
        /// Upgrades the Tower.
        /// </summary>
        public virtual void Upgrade()
        {
            upgradeLevel++;
            level.Player.Money -= Info.Costs[upgradeLevel];
        }

        public override string ToString()
        {
            return String.Format("{0} ({1}, UpgradeLevel {2}/{3}): Position = {4}, Range = {5}",
                Info.Name, Info.Type.ToString(), upgradeLevel, Info.MaxUpgradeLevel, Position, range);
        }

        #endregion
    }
}
